Throughout Hokuto's upbringing with foster parents, Sagishima Takehiko played the role of a distant benefactor. Being a renowned executive, he made his appearance in Hokuto's life when he turned 20 years old, with the intention of grooming him as his successor. But Hokuto couldn't help but wonder about Sagishima's true motive behind his altruistic actions. Was he just a generous and kind stranger, or did he have a secret agenda? The day finally arrived when Hokuto got the chance to confront Sagishima and ask the question that had been on his mind for a long time. What Hokuto received as an answer, turned out to be quite unexpected.